/*
 * Tencent is pleased to support the open source community by making TKEStack
 * available.
 *
 * Copyright (C) 2012-2021 Tencent. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 * this file except in compliance with the License. You may obtain a copy of the
 * License at
 *
 * https://opensource.org/licenses/Apache-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OF ANY KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations under the License.
 */
export type Reducer<TState, TAction> = (state: TState, action: TAction) => TState;

export function serialReducer<TState, TAction>(
  first: Reducer<TState, TAction>,
  ...series: Reducer<TState, TAction>[]
): Reducer<TState, TAction> {
  const reducers = [first, ...series];

  const combined: Reducer<TState, TAction> = (state, action) =>
    reducers.reduce((state, reducer) => reducer(state, action), state);

  return combined;
}
